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Improve codec autoselection logic

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- Deprioritize codecs that don't have hardware decoding rather than rejecting them outright
- Allow AV1 to be negotiated with autoselection if no other codec is available
- Take into account YUV444 preference when picking an optimal codec
- Arrange codec preference in ascending order of computational complexity when hardware decoding is unavailable
This commit is contained in:
Cameron Gutman
2024-08-19 23:41:42 -05:00
parent 17448c02b0
commit 6d6cd6fc35
2 changed files with 42 additions and 14 deletions
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38
app/streaming/session.cpp
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@@ -705,30 +705,40 @@ bool Session::initialize()
switch (m_Preferences->videoCodecConfig)
{
case StreamingPreferences::VCC_AUTO:
// Codecs are checked in order of ascending decode complexity to ensure
// the the deprioritized list prefers lighter codecs for software decoding
// H.264 is already the lowest priority codec, so we don't need to do
// any probing for deprioritization for it here.
if (!isHardwareDecodeAvailable(testWindow,
m_Preferences->videoDecoderSelection,
m_Preferences->enableYUV444 ?
(m_Preferences->enableHdr ? VIDEO_FORMAT_H265_REXT10_444 : VIDEO_FORMAT_H265_REXT8_444) :
(m_Preferences->enableHdr ? VIDEO_FORMAT_H265_MAIN10 : VIDEO_FORMAT_H265),
m_StreamConfig.width,
m_StreamConfig.height,
m_StreamConfig.fps)) {
m_SupportedVideoFormats.deprioritizeByMask(VIDEO_FORMAT_MASK_H265);
}
#if 0
// TODO: Determine if AV1 is better depending on the decoder
if (!isHardwareDecodeAvailable(testWindow,
m_Preferences->videoDecoderSelection,
m_Preferences->enableHdr ? VIDEO_FORMAT_AV1_MAIN10 : VIDEO_FORMAT_AV1_MAIN8,
m_Preferences->enableYUV444 ?
(m_Preferences->enableHdr ? VIDEO_FORMAT_AV1_HIGH10_444 : VIDEO_FORMAT_AV1_HIGH8_444) :
(m_Preferences->enableHdr ? VIDEO_FORMAT_AV1_MAIN10 : VIDEO_FORMAT_AV1_MAIN8),
m_StreamConfig.width,
m_StreamConfig.height,
m_StreamConfig.fps) && !m_Preferences->enableHdr && !m_Preferences->enableYUV444) {
m_SupportedVideoFormats.removeByMask(VIDEO_FORMAT_MASK_AV1);
m_StreamConfig.fps)) {
m_SupportedVideoFormats.deprioritizeByMask(VIDEO_FORMAT_MASK_AV1 & VIDEO_FORMAT_MASK_YUV444);
}
#else
// Don't use AV1 by default in Auto mode
m_SupportedVideoFormats.removeByMask(VIDEO_FORMAT_MASK_AV1);
// Deprioritize AV1 by default in Auto mode
m_SupportedVideoFormats.deprioritizeByMask(VIDEO_FORMAT_MASK_AV1);
#endif
if (!isHardwareDecodeAvailable(testWindow,
m_Preferences->videoDecoderSelection,
m_Preferences->enableHdr ? VIDEO_FORMAT_H265_MAIN10 : VIDEO_FORMAT_H265,
m_StreamConfig.width,
m_StreamConfig.height,
m_StreamConfig.fps) && !m_Preferences->enableHdr && !m_Preferences->enableYUV444) {
m_SupportedVideoFormats.removeByMask(VIDEO_FORMAT_MASK_H265);
}
#ifdef Q_OS_DARWIN
{
// Prior to GFE 3.11, GFE did not allow us to constrain